MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4445507807b1467d4c8b022a69ccadbf404afcb5fe68fbf417b2961f414021f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4445507807b1467d4c8b022a69ccadbf404afcb5fe68fbf417b2961f414021f
SHA3-384 hash: b6055509377695cb95aad79c61af9e91dd3a34985de6cc29ba3226fb3e7bba988b634e12dfa9663d7410a7c869ff9bdf
SHA1 hash: 5c561a0fb930cba3ff3d4200742e0442e0d698d1
MD5 hash: 21988e1671632c4c38dbce2b0ee1edba
humanhash: colorado-orange-butter-mobile
File name:statement of account.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:796'672 bytes
First seen:2022-08-03 03:22:15 UTC
Last seen:2022-08-03 04:02:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:cs0hg6SKlpx4bOc3kHAxjgpYbEHn5c1R0WK34D4sB++xsAMSQ0aIxnm:eLlpxQJ0HA5oSkIu4D4/AMSQ0xm
Threatray 14'306 similar samples on MalwareBazaar
TLSH T15405F06421A55E7FC87A25F8A281640047F140617996EFC88DDF7BFB9ADA7CB07010BB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
296
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
statement of account.exe
Verdict:
Malicious activity
Analysis date:
2022-08-03 05:34:42 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/c9dad8e1-6fe9-4cfe-a10c-c9056544c04c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/296053/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.14546.11926.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e9ea535c07b66577f0722b/reports/05054afa-e9d7-419b-928d-be445e13304d/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da9d6c9d-b981-4e09-a743-75f576dae8d5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1045350
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 677841 Sample: statement of account.exe Startdate: 03/08/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 9 other signatures 2->47 9 statement of account.exe 7 2->9         started        process3 file4 33 C:\Users\user\AppData\Roaming\whrGAS.exe, PE32 9->33 dropped 35 C:\Users\user\...\whrGAS.exe:Zone.Identifier, ASCII 9->35 dropped 37 C:\Users\user\AppData\Local\...\tmp580E.tmp, XML 9->37 dropped 39 C:\Users\...\statement of account.exe.log, ASCII 9->39 dropped 49 Adds a directory exclusion to Windows Defender 9->49 13 RegSvcs.exe 9->13         started        16 powershell.exe 23 9->16         started        18 schtasks.exe 1 9->18         started        20 audiodg.exe 9->20         started        signatures5 process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 22 explorer.exe 13->22 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process8 process9 28 svchost.exe 22->28         started        signatures10 51 Maps a DLL or memory area into another process 28->51 31 explorer.exe 153 28->31         started        process11
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4445507807b1467d4c8b022a69ccadbf404afcb5fe68fbf417b2961f414021f/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-08-03 02:17:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrcfkb4apmkgpvgiwarknhgk3p2ajl6ll7ti7p2bpmuwd5auaipq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03c8cb248352eeacfbe308f68fa371f47f1839a5f36176640f691a202bf01d5e
Formbook
0ab6083c712635593c1f3229fc3ea45bde80031f5cb43042c250b3a4b99ffee4
Formbook
1a3d8d7cefa47efda76740c899a3c90f7e959a6a980b2506eb7e36cda9ea1932
Formbook
59971a0ff9ff4e635caa06d0da70ad70b7c04b845abd367a6dcb48de40e17e8c
Formbook
692b97ba8fa92be4e29474cd01b2ee83f69d1d755bde63152216506001227c58
Formbook
6a37edabebd44201da96178005629c2e089a88eb4af8fdeef4fe42e1b1242e75
Formbook
6ddd3d427d8a1e5f9d462ed00402fde6603d7ed71a2eceb3f1fa804b7ed7aa10
Formbook
b9f03efb1bd75e69ea854f15bb0bffc77d8fd67af95daca3b4b7f709ea7441da
Formbook
c4af930a3b1a84b931016014a9a391da8b08857f7bdb26f12461b6dbc057ed88
Formbook
fc0a722ccd7abbaf6207a391d1b2421e2ec710f9baadd3bfd58f30143af794a4
Formbook
+ 14'296 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220803-dxf8wseef3/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
c60e7031a42930f55fb75595dfdd24a1e5acd099a9dd2f79ec8c9ddc25268239
MD5 hash:
df9967a6bb9f130f78d196a0ffdd2ee0
SHA1 hash:
1dd413bcaac09ac74605f745ae1bb853605220b8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/39b5527f-b716-42f4-966e-984a49663060/
Parent samples :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 hash:
a88a237d9669afce4bb95ca21bbdf167d605b1934747eec5a40c2015110ace8d
MD5 hash:
4b2e9dd6e1080aadd41a5db80acee1ba
SHA1 hash:
e89deb2024c592a30f1ece3a1d6b26f2dc4857b6
Link:
https://www.unpac.me/results/39b5527f-b716-42f4-966e-984a49663060/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/39b5527f-b716-42f4-966e-984a49663060/
SH256 hash:
2d60a41a4a05adf1e9f4bb8fbf790f8dfd42289edb15a7db52a0c8c608d94a0d
MD5 hash:
a89bcb02627d11bf0636c34f7dd3e2c4
SHA1 hash:
b070d133663b3002cb0c0269fabc9434b71c54b9
Link:
https://www.unpac.me/results/39b5527f-b716-42f4-966e-984a49663060/
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
Link:
https://www.unpac.me/results/39b5527f-b716-42f4-966e-984a49663060/
SH256 hash:
b4445507807b1467d4c8b022a69ccadbf404afcb5fe68fbf417b2961f414021f
MD5 hash:
21988e1671632c4c38dbce2b0ee1edba
SHA1 hash:
5c561a0fb930cba3ff3d4200742e0442e0d698d1
Link:
https://www.unpac.me/results/39b5527f-b716-42f4-966e-984a49663060/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b4445507807b1467d4c8b022a69ccadbf404afcb5fe68fbf417b2961f414021f

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe b4445507807b1467d4c8b022a69ccadbf404afcb5fe68fbf417b2961f414021f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/296053/

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